Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
hanh dong » anh dong, ha dong
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
dong cua » dung cua, cong cua, huong cua
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (chieu sach)) - hanh dong cua thong thong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - hanh dong cua thong thong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - hanh dong cua thong thong dan toan cau*.